{"query": "Speed of light = 299792458.0 m/s", "count": 20, "results": [{"id": "card_ref_pc_speed_of_light", "title": "Speed of light = 299792458.0 m/s", "shelf": "physics", "surface": "secular", "snippet": "The speed of light is 299792458.0 m/s (exact by definition) — exact since 1983 SI. Verified physical constant.", "authority_tier": "reference", "source": "Verified reference — physical_constants", "generated": false}, {"id": "card_theory_maxwell_s_equations_classical_electromagnetism", "title": "Maxwell's equations / classical electromagnetism", "shelf": "theories", "surface": "secular", "snippet": "Maxwell's equations / classical electromagnetism — an engine domain that can touch it: electrical. Calibration: partial — circuit and field relations verify; the full field theory is map-only. Four eq", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_theory_photographic_exposure_theory", "title": "Photographic exposure theory (exposure value, reciprocity)", "shelf": "theories", "surface": "secular", "snippet": "Photographic exposure theory (exposure value, reciprocity) — an engine domain that can touch it: photography. Calibration: seals — exposure values and equivalent settings compute. Three controls set h", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_theory_fluid_mechanics", "title": "Fluid mechanics (Bernoulli, Reynolds, Navier–Stokes)", "shelf": "theories", "surface": "secular", "snippet": "Fluid mechanics (Bernoulli, Reynolds, Navier–Stokes) — an engine domain that can touch it: hydrology. Calibration: seals — continuity, Bernoulli and Reynolds number compute directly. CONTINUITY first:", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_theory_kinetic_theory_of_gases", "title": "Kinetic theory of gases", "shelf": "theories", "surface": "secular", "snippet": "Kinetic theory of gases — an engine domain that can touch it: thermodynamics. Calibration: partial — RMS speeds and mean free paths compute; the microscopic picture is a model. A gas is a swarm of mol", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_theory_special_relativity", "title": "Special relativity", "shelf": "theories", "surface": "secular", "snippet": "Special relativity — an engine domain that can touch it: physics. Calibration: partial — Lorentz and E = mc² relations verify; the postulates are map-only. Two postulates (Einstein, 1905): the laws of", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_theory_newton_s_three_laws_of_motion", "title": "Newton's three laws of motion", "shelf": "theories", "surface": "secular", "snippet": "Newton's three laws of motion — an engine domain that can touch it: physics. Calibration: seals. (1) A body keeps its velocity unless a force acts — which contradicts everyday experience only because ", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_theory_haber_bosch", "title": "Haber–Bosch nitrogen fixation (bread from air)", "shelf": "theories", "surface": "secular", "snippet": "Haber–Bosch nitrogen fixation (bread from air) — an engine domain that can touch it: chemistry. Calibration: seals — stoichiometry, yield and equilibrium shifts compute. N₂ + 3H₂ ⇌ 2NH₃, run at roughl", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_theory_plate_tectonics", "title": "Plate tectonics", "shelf": "theories", "surface": "secular", "snippet": "Plate tectonics — an engine domain that can touch it: geology. Calibration: map-only — historical and empirical; spreading rates compute. The lithosphere is broken into rigid plates that move over the", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_alm_located_velocity_addition_light_invariant", "title": "Almanac: Light plus light equals light: relativistic velocity addition", "shelf": "almanac", "surface": "secular", "snippet": "SITUATION\n  In everyday life speeds add: walk 3 mph on a 50 mph train and the ground sees 53. Relativity replaces that with w = (u+v)/(1 + u*v/c^2), and the mathematics verifier confirmed three exact ", "authority_tier": "reference", "source": "The Almanac — verified-only practical wisdom (sealed)", "generated": false}, {"id": "card_src_word_light_speed", "title": "light speed", "shelf": "dictionary", "surface": "secular", "snippet": "light speed: (noun) the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second — syn: s", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_speed_of_light", "title": "speed of light", "shelf": "dictionary", "surface": "secular", "snippet": "speed of light: (noun) the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second — syn", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_speed_up", "title": "speed up", "shelf": "dictionary", "surface": "secular", "snippet": "speed up: (verb) move faster — syn: accelerate, speed, quicken · (verb) cause to move faster — syn: accelerate, speed", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_book_11753", "title": "Experimental Determination of the Velocity of Light Made at the U.S. Naval Academy, Annapolis — Albert A. (Albert Abraham) Michelson", "shelf": "gutenberg", "surface": "secular", "snippet": "Experimental Determination of the Velocity of Light Made at the U.S. Naval Academy, Annapolis, by Albert A. (Albert Abraham) Michelson. Subjects: Light -- Speed. Read the full text (public domain): ht", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_word_speed_reading", "title": "speed-reading", "shelf": "dictionary", "surface": "secular", "snippet": "speed-reading: (noun) reading at speeds significantly faster than normal", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_speed_cop", "title": "speed cop", "shelf": "dictionary", "surface": "secular", "snippet": "speed cop: (noun) a policeman who rides a motorcycle (and who checks the speeds of motorists) — syn: motorcycle cop, motorcycle policeman", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_high_speed", "title": "high-speed", "shelf": "dictionary", "surface": "secular", "snippet": "high-speed: (adjective) operating at high speed — syn: high-velocity", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_speed_demon", "title": "speed demon", "shelf": "dictionary", "surface": "secular", "snippet": "speed demon: (noun) a driver who exceeds the safe speed limit — syn: speeder", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_speed_limit", "title": "speed limit", "shelf": "dictionary", "surface": "secular", "snippet": "speed limit: (noun) regulation establishing the top speed permitted on a given road", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_speed_skating", "title": "speed skating", "shelf": "dictionary", "surface": "secular", "snippet": "speed skating: (noun) competitive skating on speed skates (usually around an oval course)", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}